Istituto di Scienza e Tecnologie dell'Informazione     
Bedini L., Salerno E. Covariance of linear-filtered nonstationary white vector noise. Internal note, 2008.
The covariance matrices at any shift of a linearly filtered nonstationary white vector process are derived. Whereas each component of the vector process is assumed to be spatially uncorrelated, there is a nonzero covariance between any pair of components at any single pixel of the spatial grid where the process is defined.
Subject Linearly filtered vector processes
Astrophysical imaging
J.2 Physical sciences and engineering
G.3 Probability and statistics
I.4.3 Image processing and computer vision. Enhancement
I.4.3 Image processing and computer vision. Filtering

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